Hi. Everybody! Now I'm intrested in the Timing calculation,but confused by the following: 1.What's the relationship between the Tco and Buffer delay? 2.Does the IBIS model V/I,V/T curve include the Buffer delay? 3.Does IBIS model extracted have nothing to do with the logic core? ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu